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Finding the Fourth Proportional to 297,780.72, 410,902.92 and 170,448.72

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Solution

The fourth proportional to 297,780.72, 410,902.92 and 170,448.72 is: 235,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,780.72 : 410,902.92 = 170,448.72 : x
  2. Step 2: Convert to fraction form
    297,780.72/410,902.92 = 170,448.72/x
  3. Step 3: Cross multiply
    297,780.72x = 410,902.92 × 170,448.72
  4. Step 4: Simplify right side
    297,780.72x = 70,037,876,758.26
  5. Step 5: Solve for x
    x = 70,037,876,758.26/297,780.72
  6. Step 6: Final answer
    x = 235,199.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.